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52020300 = 22352592939
BaseRepresentation
bin1100011001110…
…0010001001100
310121212220102210
43012130101030
5101304122200
65054550420
71201110453
oct306342114
9117786383
1052020300
1127400692
1215508410
13aa14b57
146ca1b9a
154878650
hex319c44c

52020300 has 72 divisors (see below), whose sum is σ = 153115200. Its totient is φ = 13632320.

The previous prime is 52020299. The next prime is 52020307. The reversal of 52020300 is 302025.

It is a super-2 number, since 2×520203002 = 5412223224180000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (52020307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16231 + ... + 19169.

It is an arithmetic number, because the mean of its divisors is an integer number (2126600).

Almost surely, 252020300 is an apocalyptic number.

52020300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52020300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76557600).

52020300 is an abundant number, since it is smaller than the sum of its proper divisors (101094900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52020300 is a wasteful number, since it uses less digits than its factorization.

52020300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015 (or 3008 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 52020300 is about 7212.5099653311. The cubic root of 52020300 is about 373.2996798604.

Adding to 52020300 its reverse (302025), we get a palindrome (52322325).

The spelling of 52020300 in words is "fifty-two million, twenty thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 59 60 75 100 118 150 177 236 295 300 354 590 708 885 1180 1475 1770 2939 2950 3540 4425 5878 5900 8817 8850 11756 14695 17634 17700 29390 35268 44085 58780 73475 88170 146950 173401 176340 220425 293900 346802 440850 520203 693604 867005 881700 1040406 1734010 2080812 2601015 3468020 4335025 5202030 8670050 10404060 13005075 17340100 26010150 52020300